<div id="agregaMultimedia" title="Agregar contenido">
              <table align="center" width="480px">
                <tr>
                  <td><strong>Subir nuevo contenido </strong></td>
                  <td></td>
                </tr>
                <tr>
                  <td colspan="2"><table width="100%" align="center">
                      <tr>
                        <td width="234"><div align="center">
                            <input type="file" name="file" />
                          </div></td>
                      </tr>
                      <tr>
                        <td><div align="center">
                            <input type="file" name="file3" />
                          </div></td>
                      </tr>
                      <tr>
                        <td><div align="center">
                            <input type="file" name="file5" />
                          </div></td>
                      </tr>
                      <tr>
                        <td><div align="center">
                            <input type="file" name="file7" />
                          </div></td>
                      </tr>
                    </table></td>
                </tr>
                <tr>
                  <td>&nbsp;</td>
                  <td><div align="right">
                      <input type="button" name="Button" value="Iniciar carga" />
                    </div></td>
                </tr>
                <tr>
                  <td><strong>Seleccionar contenido existente</strong> </td>
                  <td></td>
                </tr>
                <tr>
                  <td colspan="2"><table width="480" border="0" align="center">
                      <tr>
                        <td width="160"><div align="center"><br />
                            Cod. 129
                            <input type="checkbox" name="checkbox10" value="checkbox" />
                          </div></td>
                        <td width="160"><div align="center"><br />
                            Cod. 533
                            <input type="checkbox" name="checkbox22" value="checkbox" />
                          </div></td>
                        <td width="160"><div align="center"><br />
                            Cod. 755
                            <input type="checkbox" name="checkbox32" value="checkbox" />
                          </div></td>
                      </tr>
                      <tr>
                        <td><div align="center"><br />
                            Cod. 23
                            <input type="checkbox" name="checkbox42" value="checkbox" />
                          </div></td>
                        <td><div align="center"><br />
                            Cod. 122
                            <input type="checkbox" name="checkbox52" value="checkbox" />
                          </div></td>
                        <td><div align="center"><br />
                            Cod. 214
                            <input type="checkbox" name="checkbox62" value="checkbox" />
                          </div></td>
                      </tr>
                      <tr>
                        <td><div align="center"><br />
                            Cod. 152
                            <input type="checkbox" name="checkbox72" value="checkbox" />
                          </div></td>
                        <td><div align="center"><br />
                            Cod. 343
                            <input type="checkbox" name="checkbox82" value="checkbox" />
                          </div></td>
                        <td><div align="center"><br />
                            Cod. 643
                            <input type="checkbox" name="checkbox92" value="checkbox" />
                          </div></td>
                      </tr>
                    </table></td>
                </tr>
                <tr>
                  <td colspan="2"><div align="right">
                      <input type="button" name="Button" value="Seleccionar" />
                    </div></td>
                </tr>
              </table>
            </div>